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i Water Quality Management 2 French Oils, LLC San Joaquin County lb) Maintenance Processes / Cleaning. Exterior. The exterior of the equipment requires no maintenance/cleaning other than an occasional wipe-down with a rag to prevent buildup of dust or any other materials settling on the equipment. This requires no. water or solvents. Interior. The process for cleaning the .interior of the equipment and lines is to re- circulate oil. No water or .solvents are used. (See .attached equipment vendor letter (RD. Equipment-Romero Letter.pdf [President &. GM, RD Equipment Co. , an Anderson Intl. distributor] ) and Anderson Intl-Vavpot. eMail.html [VP, Anderson Intl. Corp, equipment manufacturer] ) . (In reference to the Vavpot email, we have no plans of adding a cooling tower. This tower is not necessary for operational efficiency, effectiveness or safety but moreso is a quality enhancement (faster cooling of the oils lowers the free fatty acids and improves quality) . If this ever becomes .relevant this would act as another closed system, like to boiler and would be handled. in the same -~-.manner)' .. ., If at some point in time we decide to run other products (i.e. safflower) the machine changeover process would be ,to flush the lines by running the new product through the machines and pushing the oils into a- "mixed oil" tank. This limited amount of oil would likely end up as biodiesel. Again, there would be no water or solvents pushed through the lines and no wastewater. if, in any event, there were some purpose to flushing the lines with water or detergents that was above/beyond the manufacturers recommendations this would be a fully contained exercise. Basically, anything flushed through the lines, or the cleaning of the tanks themselves would be captured within the storage tanks. This water (if this ever came up) would be stored and hauled away off site. • See "Plans for Managing Waste Streams" below for details. Parts. Any equipment/parts that interact with the corn germ itself, if necessary, would be cleaned with a -steel brush to remove any build up. No water- or solvents would be used. The most drastic scenario would be if there were a procedural breakdown and product was left in the expellers and caked onto the machines. This too would be handled by steel brush. In a very extreme circumstance, those affected parts (expeller screw, cages and bars) would be removed and sent off-site for maintenance (which is a regularly occurring process as these parts occasionally need to be retooled [i.e. ground/sharpened] ) . A second set of' parts would. be swapped to keep the machines .running,___which. would also_be-standard-.procedure.--- 2.VariouB waste streams that will be generated Waste Streams Generated: • Water Treatment Vessels. Periodically, the water treatment vessels .will need to be "recharged" ; through some ion-exchange process (i.e. reverse osmosis, etc. ) . • Blow-Down Tank. This blow down tank will contain primarily hard mineral deposits (what would otherwise be scale in the boilers) and brine from the water treatment (specific analysis pending) . • Oil Lines / Tanks_ Only as a continency, against the manufacturers recommendations. If this were to occur, the oil tanks themselves would capture any waste water, which may be a mix of oils, water and detergents_ • Other: Storm Water-. -Based-on the--ini-tia-1—r-espouse-from- the -San--Joaquin County Community Development Department (1/14/09 meeting) , there would be no requirements for storm water management. However, per Tim O'Brien' s recommendation, I have followed up with Nova Clemenza, and per those conversations I am pursuing the "notice of non-applicability" , but waiting for a final response from the SJCCDD and Central Valley Regional Water Quality Control Board to determine if that -will be necessary. Provided in 27 February 2009 e-mail from Mike Seley to Regional Board sleff